hodograph [hod-uh-graf, -grahf] ExamplesWord Origin noun Mathematics, Mechanics.
- the figure described by the extremity of a vector that has a fixed origin and a position vector equal to the velocity of a moving particle.
There is also the extremely ingenious invention of the hodograph.
So that we have in the circling electro-magnetic Aether currents a physical explanation for the Hodograph of any planet.
William George Hooper
Thus for a circular orbit with the centre of force at an excentric point, the hodograph is a conic with the pole as focus.
The annexed fig. 70 exhibits the various cases, with the hodograph in its proper orientation.
In the motion of a projectile under gravity the hodograph is a vertical line described with constant velocity.
British Dictionary definitions for hodograph hodograph noun
- a curve of which the radius vector represents the velocity of a moving particle
Derived Formshodographic, adjectiveWord Origin for hodograph C19: from Greek hodos way + -graph